The full moon turned orange and then got really dark what could have made it turn dark like that

In the fresh moon, the moon and the day-star stand on corresponding surface of the Universe. We understand the role of the moon because, in the obscuration,  the moon is dark. Suddenly the moon goes about within its course.

The reason stems from the air we breathe. During a total lunar eclipse, the Earth lies directly between the sun and the moon, causing the Earth to cast its shadow on the moon. If Earth did not have an atmosphere, then, when the moon was entirely within Earth’s shadow, the moon would appear black, perhaps even invisible.Cool right.

                                 Hope this helps:)

I’m going to go with b!